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Say where and how long. Roam Gull prices every eSIM plan and roaming pass it has checked for that trip.
cheapest week with 5 GB
Prices read on vendors' own pages, last checked November 2, 2026.
- NRT Japan$10 Ubigi Japan 5 GB, 15 days
- JFK United States$14 Ubigi USA 10 GB, 30 days
- LHR United Kingdom$15 Ubigi Europe 10 GB, 30 days
- CDG France$15 Ubigi Europe 10 GB, 30 days
- FCO Italy$15 Ubigi Europe 10 GB, 30 days
- MAD Spain$15 Ubigi Europe 10 GB, 30 days
- LIS Portugal$15 Ubigi Europe 10 GB, 30 days
- FRA Germany$15 Ubigi Europe 10 GB, 30 days
- Ubigi vs Airalo: network, coverage and data optionsAiralo's Europe plan covers 41 countries and Ubigi's store adds monthly and annual plans to the usual one-off. On 10 GB for 30 days the list prices sit far apart.
- Ubigi eSIM review: cheap fixed data, plainly soldUbigi starts a plan's validity when you arrive in a covered area and gives you six months to activate it. Its store lists one-off, monthly and annual plans in USD.
- Nomad eSIM review: plans, coverage and the catchesNomad's help page says validity starts on activation, not at install, and its Japan page lists fixed plans from 1 GB to 50 GB. The catches are add-on limits and unlimited plans with a daily cap.
- Maya Mobile eSIM review: one global unlimited planMaya sells one eSIM for 165+ countries with hotspot included, and the plan auto-renews while Travel Mode is on. Switch it off before you fly home.
- Holafly vs Maya Mobile unlimited plans comparedBoth sell a 7-day global unlimited eSIM. Holafly caps hotspot sharing at 1 GB a day, Maya lists hotspot as included but renews itself while Travel Mode is on.
- Holafly eSIM review: how unlimited is unlimited?Holafly's Japan unlimited plan shares only 1 GB of hotspot data a day, and Holafly says an operator can, in rare cases, slow your speed for up to a day. Fine for a phone, tight for a laptop.
- Best eSIM for the USA comparedAiralo and Ubigi both sell 10 GB for 30 days in the USA, and of those two only Airalo's page names the networks. aloSIM adds a free US phone number.
before you board
Unlimited or fixed data eSIM: which should you buy?
Unlimited eSIMs usually have a daily full-speed allowance or a fair-use clause. A fixed pack costs less when your trip needs only a few gigabytes.
Travel plug types by country
Germany, France and Spain all list Type C, Japan mostly accepts only Type A, and Thailand's sockets take three types at once. Here is how the letters map to trips.
Power bank rules on planes: what the FAA and TSA say
The FAA and TSA say power banks go in carry-on only, capped at 100 Wh each without airline approval. The FAA adds that many airlines set stricter limits, so check yours before you pack.
How to install a travel eSIM on an iPhone
Apple documents several ways to add an eSIM. This guide covers scanning a QR code, tapping a link or app, and typing the details by hand. Wi-Fi and an unlocked phone come first.